Heating degree days (F) - Maine (US) - NOAA - Daily
This series is part of the dataset: Heating and cooling degree days (NOAA)
Download Full Dataset (.xlsx)Latest updates. In Maine, heating degree days stood at 5.0 degrees Fahrenheit on 17 September 2026, compared to 6.0 on 16 September.
Sample. In this daily time series, there are 16,696 observations. The time span covered by the series extends from January 1981 to September 2026.
History. Take a look at a few descriptive statistics computed on the whole sample: degree days registered a minimum of 0.0 degrees Fahrenheit on 26 May 1981; they attained a maximum of 78.0 on 4 January 1981; they had a mean value of 21.5.
Latest values
| Date | Value - Degrees Fahrenheit |
|---|---|
| 2026-09-15 | 10.0000 |
| 2026-09-16 | 6.00000 |
| 2026-09-17 | 5.00000 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Heating degree days |
| Country | Maine (US) |
| Economic concept | Heating needs |
| Data type | Estimate based on daily minimum and maximum temperatures |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | Population-weighted averages of weather-station observations |
| Frequency | Daily |
| Unit | Degrees Fahrenheit |
| Source | NOAA National Weather Service |
| Source type | Federal Administration |
| Data licence | Not copyrightable under U.S. law |
| Measure type | 65F - (max_daily_temperature + min_daily_temperature) / 2 |
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